Question 46
Measures of DispersionFind the mean deviation of the set of numbers 4, 5, 9
- A.0
- B.2
- C.5
- D.6
Show the answer and explanation
Answer: B (2)
Explanation
The mean is 6. The distances from the mean are 2, 1 and 3, whose average is 6/3 = 2.
Find the mean deviation of the set of numbers 4, 5, 9
Answer: B (2)
The mean is 6. The distances from the mean are 2, 1 and 3, whose average is 6/3 = 2.